Home / 169,712.02-254,665.95-90,870.22

Finding the Fourth Proportional to 169,712.02, 254,665.95 and 90,870.22

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Solution

The fourth proportional to 169,712.02, 254,665.95 and 90,870.22 is: 136,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,712.02 : 254,665.95 = 90,870.22 : x
  2. Step 2: Convert to fraction form
    169,712.02/254,665.95 = 90,870.22/x
  3. Step 3: Cross multiply
    169,712.02x = 254,665.95 × 90,870.22
  4. Step 4: Simplify right side
    169,712.02x = 23,141,550,903.01
  5. Step 5: Solve for x
    x = 23,141,550,903.01/169,712.02
  6. Step 6: Final answer
    x = 136,357.76

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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.