Home / 103,252.61-142,538.66-69,248.67

Finding the Fourth Proportional to 103,252.61, 142,538.66 and 69,248.67

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Solution

The fourth proportional to 103,252.61, 142,538.66 and 69,248.67 is: 95,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,252.61 : 142,538.66 = 69,248.67 : x
  2. Step 2: Convert to fraction form
    103,252.61/142,538.66 = 69,248.67/x
  3. Step 3: Cross multiply
    103,252.61x = 142,538.66 × 69,248.67
  4. Step 4: Simplify right side
    103,252.61x = 9,870,612,282.34
  5. Step 5: Solve for x
    x = 9,870,612,282.34/103,252.61
  6. Step 6: Final answer
    x = 95,596.74

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1.5x scale

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.