Home / 103,501.40-155,252.10-36,943.70

Finding the Fourth Proportional to 103,501.40, 155,252.10 and 36,943.70

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Solution

The fourth proportional to 103,501.40, 155,252.10 and 36,943.70 is: 55,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,501.40 : 155,252.10 = 36,943.70 : x
  2. Step 2: Convert to fraction form
    103,501.40/155,252.10 = 36,943.70/x
  3. Step 3: Cross multiply
    103,501.40x = 155,252.10 × 36,943.70
  4. Step 4: Simplify right side
    103,501.40x = 5,735,587,006.77
  5. Step 5: Solve for x
    x = 5,735,587,006.77/103,501.40
  6. Step 6: Final answer
    x = 55,415.55

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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.