Home / 103,693.61-143,095.59-58,371.45

Finding the Fourth Proportional to 103,693.61, 143,095.59 and 58,371.45

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Solution

The fourth proportional to 103,693.61, 143,095.59 and 58,371.45 is: 80,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,693.61 : 143,095.59 = 58,371.45 : x
  2. Step 2: Convert to fraction form
    103,693.61/143,095.59 = 58,371.45/x
  3. Step 3: Cross multiply
    103,693.61x = 143,095.59 × 58,371.45
  4. Step 4: Simplify right side
    103,693.61x = 8,352,696,069.57
  5. Step 5: Solve for x
    x = 8,352,696,069.57/103,693.61
  6. Step 6: Final answer
    x = 80,551.70

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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.