Home / 131,875.02-181,987.26-71,447.17

Finding the Fourth Proportional to 131,875.02, 181,987.26 and 71,447.17

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Solution

The fourth proportional to 131,875.02, 181,987.26 and 71,447.17 is: 98,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,875.02 : 181,987.26 = 71,447.17 : x
  2. Step 2: Convert to fraction form
    131,875.02/181,987.26 = 71,447.17/x
  3. Step 3: Cross multiply
    131,875.02x = 181,987.26 × 71,447.17
  4. Step 4: Simplify right side
    131,875.02x = 13,002,474,426.70
  5. Step 5: Solve for x
    x = 13,002,474,426.70/131,875.02
  6. Step 6: Final answer
    x = 98,596.95

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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.