Home / 105,180.48-145,152.54-57,437.46

Finding the Fourth Proportional to 105,180.48, 145,152.54 and 57,437.46

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Solution

The fourth proportional to 105,180.48, 145,152.54 and 57,437.46 is: 79,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,180.48 : 145,152.54 = 57,437.46 : x
  2. Step 2: Convert to fraction form
    105,180.48/145,152.54 = 57,437.46/x
  3. Step 3: Cross multiply
    105,180.48x = 145,152.54 × 57,437.46
  4. Step 4: Simplify right side
    105,180.48x = 8,337,193,210.15
  5. Step 5: Solve for x
    x = 8,337,193,210.15/105,180.48
  6. Step 6: Final answer
    x = 79,265.59

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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.