Home / 124,875.02-172,331.66-68,286.40

Finding the Fourth Proportional to 124,875.02, 172,331.66 and 68,286.40

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Solution

The fourth proportional to 124,875.02, 172,331.66 and 68,286.40 is: 94,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,875.02 : 172,331.66 = 68,286.40 : x
  2. Step 2: Convert to fraction form
    124,875.02/172,331.66 = 68,286.40/x
  3. Step 3: Cross multiply
    124,875.02x = 172,331.66 × 68,286.40
  4. Step 4: Simplify right side
    124,875.02x = 11,767,908,667.42
  5. Step 5: Solve for x
    x = 11,767,908,667.42/124,875.02
  6. Step 6: Final answer
    x = 94,237.49

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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.