Home / 126,187.49-189,254.48-47,307.53

Finding the Fourth Proportional to 126,187.49, 189,254.48 and 47,307.53

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Solution

The fourth proportional to 126,187.49, 189,254.48 and 47,307.53 is: 70,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,187.49 : 189,254.48 = 47,307.53 : x
  2. Step 2: Convert to fraction form
    126,187.49/189,254.48 = 47,307.53/x
  3. Step 3: Cross multiply
    126,187.49x = 189,254.48 × 47,307.53
  4. Step 4: Simplify right side
    126,187.49x = 8,953,160,807.42
  5. Step 5: Solve for x
    x = 8,953,160,807.42/126,187.49
  6. Step 6: Final answer
    x = 70,951.26

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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.