Home / 156,929.25-216,666.55-120,565.87

Finding the Fourth Proportional to 156,929.25, 216,666.55 and 120,565.87

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Solution

The fourth proportional to 156,929.25, 216,666.55 and 120,565.87 is: 166,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,929.25 : 216,666.55 = 120,565.87 : x
  2. Step 2: Convert to fraction form
    156,929.25/216,666.55 = 120,565.87/x
  3. Step 3: Cross multiply
    156,929.25x = 216,666.55 × 120,565.87
  4. Step 4: Simplify right side
    156,929.25x = 26,122,590,031.51
  5. Step 5: Solve for x
    x = 26,122,590,031.51/156,929.25
  6. Step 6: Final answer
    x = 166,460.94

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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.