Home / 105,760.40-158,602.20-53,152.40

Finding the Fourth Proportional to 105,760.40, 158,602.20 and 53,152.40

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Solution

The fourth proportional to 105,760.40, 158,602.20 and 53,152.40 is: 79,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,760.40 : 158,602.20 = 53,152.40 : x
  2. Step 2: Convert to fraction form
    105,760.40/158,602.20 = 53,152.40/x
  3. Step 3: Cross multiply
    105,760.40x = 158,602.20 × 53,152.40
  4. Step 4: Simplify right side
    105,760.40x = 8,430,087,575.28
  5. Step 5: Solve for x
    x = 8,430,087,575.28/105,760.40
  6. Step 6: Final answer
    x = 79,709.30

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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.