Home / 121,871-182,723.18-64,953.48

Finding the Fourth Proportional to 121,871, 182,723.18 and 64,953.48

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Solution

The fourth proportional to 121,871, 182,723.18 and 64,953.48 is: 97,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,871 : 182,723.18 = 64,953.48 : x
  2. Step 2: Convert to fraction form
    121,871/182,723.18 = 64,953.48/x
  3. Step 3: Cross multiply
    121,871x = 182,723.18 × 64,953.48
  4. Step 4: Simplify right side
    121,871x = 11,868,506,417.67
  5. Step 5: Solve for x
    x = 11,868,506,417.67/121,871
  6. Step 6: Final answer
    x = 97,385.81

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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.