Home / 157,041.29-216,838.62-120,685.14

Finding the Fourth Proportional to 157,041.29, 216,838.62 and 120,685.14

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Solution

The fourth proportional to 157,041.29, 216,838.62 and 120,685.14 is: 166,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,041.29 : 216,838.62 = 120,685.14 : x
  2. Step 2: Convert to fraction form
    157,041.29/216,838.62 = 120,685.14/x
  3. Step 3: Cross multiply
    157,041.29x = 216,838.62 × 120,685.14
  4. Step 4: Simplify right side
    157,041.29x = 26,169,199,754.20
  5. Step 5: Solve for x
    x = 26,169,199,754.20/157,041.29
  6. Step 6: Final answer
    x = 166,638.98

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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.