Home / 124,583.40-186,875.10-71,965.80

Finding the Fourth Proportional to 124,583.40, 186,875.10 and 71,965.80

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Solution

The fourth proportional to 124,583.40, 186,875.10 and 71,965.80 is: 107,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,583.40 : 186,875.10 = 71,965.80 : x
  2. Step 2: Convert to fraction form
    124,583.40/186,875.10 = 71,965.80/x
  3. Step 3: Cross multiply
    124,583.40x = 186,875.10 × 71,965.80
  4. Step 4: Simplify right side
    124,583.40x = 13,448,616,071.58
  5. Step 5: Solve for x
    x = 13,448,616,071.58/124,583.40
  6. Step 6: Final answer
    x = 107,948.70

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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.