Home / 90,637.46-136,002.23-40,707.35

Finding the Fourth Proportional to 90,637.46, 136,002.23 and 40,707.35

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Solution

The fourth proportional to 90,637.46, 136,002.23 and 40,707.35 is: 61,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,637.46 : 136,002.23 = 40,707.35 : x
  2. Step 2: Convert to fraction form
    90,637.46/136,002.23 = 40,707.35/x
  3. Step 3: Cross multiply
    90,637.46x = 136,002.23 × 40,707.35
  4. Step 4: Simplify right side
    90,637.46x = 5,536,290,377.39
  5. Step 5: Solve for x
    x = 5,536,290,377.39/90,637.46
  6. Step 6: Final answer
    x = 61,081.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.