Home / 157,589.04-217,510.20-90,559.92

Finding the Fourth Proportional to 157,589.04, 217,510.20 and 90,559.92

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Solution

The fourth proportional to 157,589.04, 217,510.20 and 90,559.92 is: 124,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,589.04 : 217,510.20 = 90,559.92 : x
  2. Step 2: Convert to fraction form
    157,589.04/217,510.20 = 90,559.92/x
  3. Step 3: Cross multiply
    157,589.04x = 217,510.20 × 90,559.92
  4. Step 4: Simplify right side
    157,589.04x = 19,697,706,311.18
  5. Step 5: Solve for x
    x = 19,697,706,311.18/157,589.04
  6. Step 6: Final answer
    x = 124,994.14

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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.