Home / 118,421.74-163,423.15-64,706.75

Finding the Fourth Proportional to 118,421.74, 163,423.15 and 64,706.75

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Solution

The fourth proportional to 118,421.74, 163,423.15 and 64,706.75 is: 89,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,421.74 : 163,423.15 = 64,706.75 : x
  2. Step 2: Convert to fraction form
    118,421.74/163,423.15 = 64,706.75/x
  3. Step 3: Cross multiply
    118,421.74x = 163,423.15 × 64,706.75
  4. Step 4: Simplify right side
    118,421.74x = 10,574,580,911.26
  5. Step 5: Solve for x
    x = 10,574,580,911.26/118,421.74
  6. Step 6: Final answer
    x = 89,295.94

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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.