Home / 160,565.06-221,479.54-103,279.03

Finding the Fourth Proportional to 160,565.06, 221,479.54 and 103,279.03

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Solution

The fourth proportional to 160,565.06, 221,479.54 and 103,279.03 is: 142,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,565.06 : 221,479.54 = 103,279.03 : x
  2. Step 2: Convert to fraction form
    160,565.06/221,479.54 = 103,279.03/x
  3. Step 3: Cross multiply
    160,565.06x = 221,479.54 × 103,279.03
  4. Step 4: Simplify right side
    160,565.06x = 22,874,191,244.15
  5. Step 5: Solve for x
    x = 22,874,191,244.15/160,565.06
  6. Step 6: Final answer
    x = 142,460.58

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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.