Home / 118,384.32-163,369.38-64,669.36

Finding the Fourth Proportional to 118,384.32, 163,369.38 and 64,669.36

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Solution

The fourth proportional to 118,384.32, 163,369.38 and 64,669.36 is: 89,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,384.32 : 163,369.38 = 64,669.36 : x
  2. Step 2: Convert to fraction form
    118,384.32/163,369.38 = 64,669.36/x
  3. Step 3: Cross multiply
    118,384.32x = 163,369.38 × 64,669.36
  4. Step 4: Simplify right side
    118,384.32x = 10,564,993,248.20
  5. Step 5: Solve for x
    x = 10,564,993,248.20/118,384.32
  6. Step 6: Final answer
    x = 89,243.18

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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.