Home / 151,034.64-208,349.28-90,576.24

Finding the Fourth Proportional to 151,034.64, 208,349.28 and 90,576.24

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Solution

The fourth proportional to 151,034.64, 208,349.28 and 90,576.24 is: 124,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,034.64 : 208,349.28 = 90,576.24 : x
  2. Step 2: Convert to fraction form
    151,034.64/208,349.28 = 90,576.24/x
  3. Step 3: Cross multiply
    151,034.64x = 208,349.28 × 90,576.24
  4. Step 4: Simplify right side
    151,034.64x = 18,871,494,389.11
  5. Step 5: Solve for x
    x = 18,871,494,389.11/151,034.64
  6. Step 6: Final answer
    x = 124,948.12

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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.