Home / 162,435.88-243,275.34-157,951.72

Finding the Fourth Proportional to 162,435.88, 243,275.34 and 157,951.72

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Solution

The fourth proportional to 162,435.88, 243,275.34 and 157,951.72 is: 236,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,435.88 : 243,275.34 = 157,951.72 : x
  2. Step 2: Convert to fraction form
    162,435.88/243,275.34 = 157,951.72/x
  3. Step 3: Cross multiply
    162,435.88x = 243,275.34 × 157,951.72
  4. Step 4: Simplify right side
    162,435.88x = 38,425,758,386.58
  5. Step 5: Solve for x
    x = 38,425,758,386.58/162,435.88
  6. Step 6: Final answer
    x = 236,559.55

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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.