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Finding the Fourth Proportional to 180,459.83, 249,028.21 and 99,887.51

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Solution

The fourth proportional to 180,459.83, 249,028.21 and 99,887.51 is: 137,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,459.83 : 249,028.21 = 99,887.51 : x
  2. Step 2: Convert to fraction form
    180,459.83/249,028.21 = 99,887.51/x
  3. Step 3: Cross multiply
    180,459.83x = 249,028.21 × 99,887.51
  4. Step 4: Simplify right side
    180,459.83x = 24,874,807,816.66
  5. Step 5: Solve for x
    x = 24,874,807,816.66/180,459.83
  6. Step 6: Final answer
    x = 137,841.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.