Home / 118,421.40-163,416.66-64,708.26

Finding the Fourth Proportional to 118,421.40, 163,416.66 and 64,708.26

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Solution

The fourth proportional to 118,421.40, 163,416.66 and 64,708.26 is: 89,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,421.40 : 163,416.66 = 64,708.26 : x
  2. Step 2: Convert to fraction form
    118,421.40/163,416.66 = 64,708.26/x
  3. Step 3: Cross multiply
    118,421.40x = 163,416.66 × 64,708.26
  4. Step 4: Simplify right side
    118,421.40x = 10,574,407,723.61
  5. Step 5: Solve for x
    x = 10,574,407,723.61/118,421.40
  6. Step 6: Final answer
    x = 89,294.74

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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.