Home / 113,320.75-156,386.07-62,330.86

Finding the Fourth Proportional to 113,320.75, 156,386.07 and 62,330.86

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Solution

The fourth proportional to 113,320.75, 156,386.07 and 62,330.86 is: 86,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,320.75 : 156,386.07 = 62,330.86 : x
  2. Step 2: Convert to fraction form
    113,320.75/156,386.07 = 62,330.86/x
  3. Step 3: Cross multiply
    113,320.75x = 156,386.07 × 62,330.86
  4. Step 4: Simplify right side
    113,320.75x = 9,747,678,235.12
  5. Step 5: Solve for x
    x = 9,747,678,235.12/113,320.75
  6. Step 6: Final answer
    x = 86,018.48

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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.