Home / 357,789.16-536,156.70-157,925.80

Finding the Fourth Proportional to 357,789.16, 536,156.70 and 157,925.80

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Solution

The fourth proportional to 357,789.16, 536,156.70 and 157,925.80 is: 236,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,789.16 : 536,156.70 = 157,925.80 : x
  2. Step 2: Convert to fraction form
    357,789.16/536,156.70 = 157,925.80/x
  3. Step 3: Cross multiply
    357,789.16x = 536,156.70 × 157,925.80
  4. Step 4: Simplify right side
    357,789.16x = 84,672,975,772.86
  5. Step 5: Solve for x
    x = 84,672,975,772.86/357,789.16
  6. Step 6: Final answer
    x = 236,656.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.