Home / 160,621.86-221,658.57-89,001.30

Finding the Fourth Proportional to 160,621.86, 221,658.57 and 89,001.30

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Solution

The fourth proportional to 160,621.86, 221,658.57 and 89,001.30 is: 122,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,621.86 : 221,658.57 = 89,001.30 : x
  2. Step 2: Convert to fraction form
    160,621.86/221,658.57 = 89,001.30/x
  3. Step 3: Cross multiply
    160,621.86x = 221,658.57 × 89,001.30
  4. Step 4: Simplify right side
    160,621.86x = 19,727,900,886.14
  5. Step 5: Solve for x
    x = 19,727,900,886.14/160,621.86
  6. Step 6: Final answer
    x = 122,822.02

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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.