Home / 157,003.32-216,554.79-103,271.16

Finding the Fourth Proportional to 157,003.32, 216,554.79 and 103,271.16

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Solution

The fourth proportional to 157,003.32, 216,554.79 and 103,271.16 is: 142,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,003.32 : 216,554.79 = 103,271.16 : x
  2. Step 2: Convert to fraction form
    157,003.32/216,554.79 = 103,271.16/x
  3. Step 3: Cross multiply
    157,003.32x = 216,554.79 × 103,271.16
  4. Step 4: Simplify right side
    157,003.32x = 22,363,864,366.86
  5. Step 5: Solve for x
    x = 22,363,864,366.86/157,003.32
  6. Step 6: Final answer
    x = 142,441.98

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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.