Home / 118,431.95-163,429.13-64,706.27

Finding the Fourth Proportional to 118,431.95, 163,429.13 and 64,706.27

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Solution

The fourth proportional to 118,431.95, 163,429.13 and 64,706.27 is: 89,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431.95 : 163,429.13 = 64,706.27 : x
  2. Step 2: Convert to fraction form
    118,431.95/163,429.13 = 64,706.27/x
  3. Step 3: Cross multiply
    118,431.95x = 163,429.13 × 64,706.27
  4. Step 4: Simplify right side
    118,431.95x = 10,574,889,088.11
  5. Step 5: Solve for x
    x = 10,574,889,088.11/118,431.95
  6. Step 6: Final answer
    x = 89,290.85

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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.