Home / 157,496.40-217,337.04-85,875.84

Finding the Fourth Proportional to 157,496.40, 217,337.04 and 85,875.84

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Solution

The fourth proportional to 157,496.40, 217,337.04 and 85,875.84 is: 118,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,496.40 : 217,337.04 = 85,875.84 : x
  2. Step 2: Convert to fraction form
    157,496.40/217,337.04 = 85,875.84/x
  3. Step 3: Cross multiply
    157,496.40x = 217,337.04 × 85,875.84
  4. Step 4: Simplify right side
    157,496.40x = 18,664,000,873.11
  5. Step 5: Solve for x
    x = 18,664,000,873.11/157,496.40
  6. Step 6: Final answer
    x = 118,504.30

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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.