Home / 147,639.65-221,494.75-47,799.95

Finding the Fourth Proportional to 147,639.65, 221,494.75 and 47,799.95

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Solution

The fourth proportional to 147,639.65, 221,494.75 and 47,799.95 is: 71,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,639.65 : 221,494.75 = 47,799.95 : x
  2. Step 2: Convert to fraction form
    147,639.65/221,494.75 = 47,799.95/x
  3. Step 3: Cross multiply
    147,639.65x = 221,494.75 × 47,799.95
  4. Step 4: Simplify right side
    147,639.65x = 10,587,438,574.55
  5. Step 5: Solve for x
    x = 10,587,438,574.55/147,639.65
  6. Step 6: Final answer
    x = 71,711.35

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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.