Home / 117,366.60-162,038.16-90,455.16

Finding the Fourth Proportional to 117,366.60, 162,038.16 and 90,455.16

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Solution

The fourth proportional to 117,366.60, 162,038.16 and 90,455.16 is: 124,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,366.60 : 162,038.16 = 90,455.16 : x
  2. Step 2: Convert to fraction form
    117,366.60/162,038.16 = 90,455.16/x
  3. Step 3: Cross multiply
    117,366.60x = 162,038.16 × 90,455.16
  4. Step 4: Simplify right side
    117,366.60x = 14,657,187,688.91
  5. Step 5: Solve for x
    x = 14,657,187,688.91/117,366.60
  6. Step 6: Final answer
    x = 124,883.81

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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.