Home / 118,386.34-163,372.53-64,670.74

Finding the Fourth Proportional to 118,386.34, 163,372.53 and 64,670.74

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Solution

The fourth proportional to 118,386.34, 163,372.53 and 64,670.74 is: 89,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,386.34 : 163,372.53 = 64,670.74 : x
  2. Step 2: Convert to fraction form
    118,386.34/163,372.53 = 64,670.74/x
  3. Step 3: Cross multiply
    118,386.34x = 163,372.53 × 64,670.74
  4. Step 4: Simplify right side
    118,386.34x = 10,565,422,410.77
  5. Step 5: Solve for x
    x = 10,565,422,410.77/118,386.34
  6. Step 6: Final answer
    x = 89,245.28

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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.