Home / 180,445.19-249,014.86-99,878.27

Finding the Fourth Proportional to 180,445.19, 249,014.86 and 99,878.27

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Solution

The fourth proportional to 180,445.19, 249,014.86 and 99,878.27 is: 137,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,445.19 : 249,014.86 = 99,878.27 : x
  2. Step 2: Convert to fraction form
    180,445.19/249,014.86 = 99,878.27/x
  3. Step 3: Cross multiply
    180,445.19x = 249,014.86 × 99,878.27
  4. Step 4: Simplify right side
    180,445.19x = 24,871,172,921.70
  5. Step 5: Solve for x
    x = 24,871,172,921.70/180,445.19
  6. Step 6: Final answer
    x = 137,832.29

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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.