Home / 112,967.29-155,895.05-62,666.29

Finding the Fourth Proportional to 112,967.29, 155,895.05 and 62,666.29

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Solution

The fourth proportional to 112,967.29, 155,895.05 and 62,666.29 is: 86,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,967.29 : 155,895.05 = 62,666.29 : x
  2. Step 2: Convert to fraction form
    112,967.29/155,895.05 = 62,666.29/x
  3. Step 3: Cross multiply
    112,967.29x = 155,895.05 × 62,666.29
  4. Step 4: Simplify right side
    112,967.29x = 9,769,364,412.86
  5. Step 5: Solve for x
    x = 9,769,364,412.86/112,967.29
  6. Step 6: Final answer
    x = 86,479.59

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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.