Home / 147,306.13-203,277.06-90,041.36

Finding the Fourth Proportional to 147,306.13, 203,277.06 and 90,041.36

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Solution

The fourth proportional to 147,306.13, 203,277.06 and 90,041.36 is: 124,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,306.13 : 203,277.06 = 90,041.36 : x
  2. Step 2: Convert to fraction form
    147,306.13/203,277.06 = 90,041.36/x
  3. Step 3: Cross multiply
    147,306.13x = 203,277.06 × 90,041.36
  4. Step 4: Simplify right side
    147,306.13x = 18,303,341,922.82
  5. Step 5: Solve for x
    x = 18,303,341,922.82/147,306.13
  6. Step 6: Final answer
    x = 124,253.77

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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.