Home / 121,421.07-182,117.93-32,681.72

Finding the Fourth Proportional to 121,421.07, 182,117.93 and 32,681.72

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Solution

The fourth proportional to 121,421.07, 182,117.93 and 32,681.72 is: 49,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,421.07 : 182,117.93 = 32,681.72 : x
  2. Step 2: Convert to fraction form
    121,421.07/182,117.93 = 32,681.72/x
  3. Step 3: Cross multiply
    121,421.07x = 182,117.93 × 32,681.72
  4. Step 4: Simplify right side
    121,421.07x = 5,951,927,487.13
  5. Step 5: Solve for x
    x = 5,951,927,487.13/121,421.07
  6. Step 6: Final answer
    x = 49,018.90

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1.5x scale

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.