Home / 142,931.07-214,427.57-43,082.91

Finding the Fourth Proportional to 142,931.07, 214,427.57 and 43,082.91

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Solution

The fourth proportional to 142,931.07, 214,427.57 and 43,082.91 is: 64,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,931.07 : 214,427.57 = 43,082.91 : x
  2. Step 2: Convert to fraction form
    142,931.07/214,427.57 = 43,082.91/x
  3. Step 3: Cross multiply
    142,931.07x = 214,427.57 × 43,082.91
  4. Step 4: Simplify right side
    142,931.07x = 9,238,163,484.41
  5. Step 5: Solve for x
    x = 9,238,163,484.41/142,931.07
  6. Step 6: Final answer
    x = 64,633.70

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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.