Home / 118,316.32-163,275.28-64,601.17

Finding the Fourth Proportional to 118,316.32, 163,275.28 and 64,601.17

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Solution

The fourth proportional to 118,316.32, 163,275.28 and 64,601.17 is: 89,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,316.32 : 163,275.28 = 64,601.17 : x
  2. Step 2: Convert to fraction form
    118,316.32/163,275.28 = 64,601.17/x
  3. Step 3: Cross multiply
    118,316.32x = 163,275.28 × 64,601.17
  4. Step 4: Simplify right side
    118,316.32x = 10,547,774,120.08
  5. Step 5: Solve for x
    x = 10,547,774,120.08/118,316.32
  6. Step 6: Final answer
    x = 89,148.94

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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.