Home / 105,339.40-157,701.90-94,280.20

Finding the Fourth Proportional to 105,339.40, 157,701.90 and 94,280.20

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Solution

The fourth proportional to 105,339.40, 157,701.90 and 94,280.20 is: 141,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,339.40 : 157,701.90 = 94,280.20 : x
  2. Step 2: Convert to fraction form
    105,339.40/157,701.90 = 94,280.20/x
  3. Step 3: Cross multiply
    105,339.40x = 157,701.90 × 94,280.20
  4. Step 4: Simplify right side
    105,339.40x = 14,868,166,672.38
  5. Step 5: Solve for x
    x = 14,868,166,672.38/105,339.40
  6. Step 6: Final answer
    x = 141,145.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.