Home / 105,272.70-145,276.69-57,526.05

Finding the Fourth Proportional to 105,272.70, 145,276.69 and 57,526.05

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Solution

The fourth proportional to 105,272.70, 145,276.69 and 57,526.05 is: 79,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,272.70 : 145,276.69 = 57,526.05 : x
  2. Step 2: Convert to fraction form
    105,272.70/145,276.69 = 57,526.05/x
  3. Step 3: Cross multiply
    105,272.70x = 145,276.69 × 57,526.05
  4. Step 4: Simplify right side
    105,272.70x = 8,357,194,132.77
  5. Step 5: Solve for x
    x = 8,357,194,132.77/105,272.70
  6. Step 6: Final answer
    x = 79,386.15

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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.