Home / 160,333.42-221,390.91-103,001.21

Finding the Fourth Proportional to 160,333.42, 221,390.91 and 103,001.21

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Solution

The fourth proportional to 160,333.42, 221,390.91 and 103,001.21 is: 142,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,333.42 : 221,390.91 = 103,001.21 : x
  2. Step 2: Convert to fraction form
    160,333.42/221,390.91 = 103,001.21/x
  3. Step 3: Cross multiply
    160,333.42x = 221,390.91 × 103,001.21
  4. Step 4: Simplify right side
    160,333.42x = 22,803,532,166.48
  5. Step 5: Solve for x
    x = 22,803,532,166.48/160,333.42
  6. Step 6: Final answer
    x = 142,225.70

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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.