Home / 147,513.45-221,434.20-91,416.90

Finding the Fourth Proportional to 147,513.45, 221,434.20 and 91,416.90

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Solution

The fourth proportional to 147,513.45, 221,434.20 and 91,416.90 is: 137,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,513.45 : 221,434.20 = 91,416.90 : x
  2. Step 2: Convert to fraction form
    147,513.45/221,434.20 = 91,416.90/x
  3. Step 3: Cross multiply
    147,513.45x = 221,434.20 × 91,416.90
  4. Step 4: Simplify right side
    147,513.45x = 20,242,828,117.98
  5. Step 5: Solve for x
    x = 20,242,828,117.98/147,513.45
  6. Step 6: Final answer
    x = 137,227.00

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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.