Home / 160,460.20-221,535.90-103,125.16

Finding the Fourth Proportional to 160,460.20, 221,535.90 and 103,125.16

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Solution

The fourth proportional to 160,460.20, 221,535.90 and 103,125.16 is: 142,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,460.20 : 221,535.90 = 103,125.16 : x
  2. Step 2: Convert to fraction form
    160,460.20/221,535.90 = 103,125.16/x
  3. Step 3: Cross multiply
    160,460.20x = 221,535.90 × 103,125.16
  4. Step 4: Simplify right side
    160,460.20x = 22,845,925,133.24
  5. Step 5: Solve for x
    x = 22,845,925,133.24/160,460.20
  6. Step 6: Final answer
    x = 142,377.52

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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.