Home / 113,011.35-155,962.95-62,710.35

Finding the Fourth Proportional to 113,011.35, 155,962.95 and 62,710.35

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Solution

The fourth proportional to 113,011.35, 155,962.95 and 62,710.35 is: 86,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,011.35 : 155,962.95 = 62,710.35 : x
  2. Step 2: Convert to fraction form
    113,011.35/155,962.95 = 62,710.35/x
  3. Step 3: Cross multiply
    113,011.35x = 155,962.95 × 62,710.35
  4. Step 4: Simplify right side
    113,011.35x = 9,780,490,088.17
  5. Step 5: Solve for x
    x = 9,780,490,088.17/113,011.35
  6. Step 6: Final answer
    x = 86,544.32

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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.