Home / 151,020.11-208,408.53-83,041.46

Finding the Fourth Proportional to 151,020.11, 208,408.53 and 83,041.46

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Solution

The fourth proportional to 151,020.11, 208,408.53 and 83,041.46 is: 114,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,020.11 : 208,408.53 = 83,041.46 : x
  2. Step 2: Convert to fraction form
    151,020.11/208,408.53 = 83,041.46/x
  3. Step 3: Cross multiply
    151,020.11x = 208,408.53 × 83,041.46
  4. Step 4: Simplify right side
    151,020.11x = 17,306,547,565.61
  5. Step 5: Solve for x
    x = 17,306,547,565.61/151,020.11
  6. Step 6: Final answer
    x = 114,597.64

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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.