Home / 108,055.04-149,124.40-60,315.56

Finding the Fourth Proportional to 108,055.04, 149,124.40 and 60,315.56

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Solution

The fourth proportional to 108,055.04, 149,124.40 and 60,315.56 is: 83,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,055.04 : 149,124.40 = 60,315.56 : x
  2. Step 2: Convert to fraction form
    108,055.04/149,124.40 = 60,315.56/x
  3. Step 3: Cross multiply
    108,055.04x = 149,124.40 × 60,315.56
  4. Step 4: Simplify right side
    108,055.04x = 8,994,521,695.66
  5. Step 5: Solve for x
    x = 8,994,521,695.66/108,055.04
  6. Step 6: Final answer
    x = 83,240.19

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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.