Home / 118,444.74-163,449.09-64,730.40

Finding the Fourth Proportional to 118,444.74, 163,449.09 and 64,730.40

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Solution

The fourth proportional to 118,444.74, 163,449.09 and 64,730.40 is: 89,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,444.74 : 163,449.09 = 64,730.40 : x
  2. Step 2: Convert to fraction form
    118,444.74/163,449.09 = 64,730.40/x
  3. Step 3: Cross multiply
    118,444.74x = 163,449.09 × 64,730.40
  4. Step 4: Simplify right side
    118,444.74x = 10,580,124,975.34
  5. Step 5: Solve for x
    x = 10,580,124,975.34/118,444.74
  6. Step 6: Final answer
    x = 89,325.41

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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.