Home / 250,030.10-375,007.05-81,550.19

Finding the Fourth Proportional to 250,030.10, 375,007.05 and 81,550.19

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Solution

The fourth proportional to 250,030.10, 375,007.05 and 81,550.19 is: 122,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,030.10 : 375,007.05 = 81,550.19 : x
  2. Step 2: Convert to fraction form
    250,030.10/375,007.05 = 81,550.19/x
  3. Step 3: Cross multiply
    250,030.10x = 375,007.05 × 81,550.19
  4. Step 4: Simplify right side
    250,030.10x = 30,581,897,116.36
  5. Step 5: Solve for x
    x = 30,581,897,116.36/250,030.10
  6. Step 6: Final answer
    x = 122,312.86

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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.