Home / 242,515.38-334,681.38-135,085.26

Finding the Fourth Proportional to 242,515.38, 334,681.38 and 135,085.26

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Solution

The fourth proportional to 242,515.38, 334,681.38 and 135,085.26 is: 186,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,515.38 : 334,681.38 = 135,085.26 : x
  2. Step 2: Convert to fraction form
    242,515.38/334,681.38 = 135,085.26/x
  3. Step 3: Cross multiply
    242,515.38x = 334,681.38 × 135,085.26
  4. Step 4: Simplify right side
    242,515.38x = 45,210,521,234.46
  5. Step 5: Solve for x
    x = 45,210,521,234.46/242,515.38
  6. Step 6: Final answer
    x = 186,423.32

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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.