Home / 99,887.41-149,870.40-47,341.09

Finding the Fourth Proportional to 99,887.41, 149,870.40 and 47,341.09

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Solution

The fourth proportional to 99,887.41, 149,870.40 and 47,341.09 is: 71,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,887.41 : 149,870.40 = 47,341.09 : x
  2. Step 2: Convert to fraction form
    99,887.41/149,870.40 = 47,341.09/x
  3. Step 3: Cross multiply
    99,887.41x = 149,870.40 × 47,341.09
  4. Step 4: Simplify right side
    99,887.41x = 7,095,028,094.74
  5. Step 5: Solve for x
    x = 7,095,028,094.74/99,887.41
  6. Step 6: Final answer
    x = 71,030.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.