Home / 121,527.41-167,743.02-70,551.59

Finding the Fourth Proportional to 121,527.41, 167,743.02 and 70,551.59

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Solution

The fourth proportional to 121,527.41, 167,743.02 and 70,551.59 is: 97,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,527.41 : 167,743.02 = 70,551.59 : x
  2. Step 2: Convert to fraction form
    121,527.41/167,743.02 = 70,551.59/x
  3. Step 3: Cross multiply
    121,527.41x = 167,743.02 × 70,551.59
  4. Step 4: Simplify right side
    121,527.41x = 11,834,535,933.69
  5. Step 5: Solve for x
    x = 11,834,535,933.69/121,527.41
  6. Step 6: Final answer
    x = 97,381.62

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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.