Home / 90,185.40-124,444.96-51,957.45

Finding the Fourth Proportional to 90,185.40, 124,444.96 and 51,957.45

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Solution

The fourth proportional to 90,185.40, 124,444.96 and 51,957.45 is: 71,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,185.40 : 124,444.96 = 51,957.45 : x
  2. Step 2: Convert to fraction form
    90,185.40/124,444.96 = 51,957.45/x
  3. Step 3: Cross multiply
    90,185.40x = 124,444.96 × 51,957.45
  4. Step 4: Simplify right side
    90,185.40x = 6,465,842,657.06
  5. Step 5: Solve for x
    x = 6,465,842,657.06/90,185.40
  6. Step 6: Final answer
    x = 71,695.00

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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.