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Finding the Fourth Proportional to 113,065.56, 169,598.34 and 42,944.70

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Solution

The fourth proportional to 113,065.56, 169,598.34 and 42,944.70 is: 64,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,065.56 : 169,598.34 = 42,944.70 : x
  2. Step 2: Convert to fraction form
    113,065.56/169,598.34 = 42,944.70/x
  3. Step 3: Cross multiply
    113,065.56x = 169,598.34 × 42,944.70
  4. Step 4: Simplify right side
    113,065.56x = 7,283,349,831.80
  5. Step 5: Solve for x
    x = 7,283,349,831.80/113,065.56
  6. Step 6: Final answer
    x = 64,417.05

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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.