Home / 118,423.27-163,347.73-70,639.75

Finding the Fourth Proportional to 118,423.27, 163,347.73 and 70,639.75

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Solution

The fourth proportional to 118,423.27, 163,347.73 and 70,639.75 is: 97,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,423.27 : 163,347.73 = 70,639.75 : x
  2. Step 2: Convert to fraction form
    118,423.27/163,347.73 = 70,639.75/x
  3. Step 3: Cross multiply
    118,423.27x = 163,347.73 × 70,639.75
  4. Step 4: Simplify right side
    118,423.27x = 11,538,842,810.27
  5. Step 5: Solve for x
    x = 11,538,842,810.27/118,423.27
  6. Step 6: Final answer
    x = 97,437.29

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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.