Home / 118,434.56-163,437.70-64,718.34

Finding the Fourth Proportional to 118,434.56, 163,437.70 and 64,718.34

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Solution

The fourth proportional to 118,434.56, 163,437.70 and 64,718.34 is: 89,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,434.56 : 163,437.70 = 64,718.34 : x
  2. Step 2: Convert to fraction form
    118,434.56/163,437.70 = 64,718.34/x
  3. Step 3: Cross multiply
    118,434.56x = 163,437.70 × 64,718.34
  4. Step 4: Simplify right side
    118,434.56x = 10,577,416,637.42
  5. Step 5: Solve for x
    x = 10,577,416,637.42/118,434.56
  6. Step 6: Final answer
    x = 89,310.22

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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.