Home / 101,824.04-140,518.06-56,505.08

Finding the Fourth Proportional to 101,824.04, 140,518.06 and 56,505.08

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Solution

The fourth proportional to 101,824.04, 140,518.06 and 56,505.08 is: 77,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,824.04 : 140,518.06 = 56,505.08 : x
  2. Step 2: Convert to fraction form
    101,824.04/140,518.06 = 56,505.08/x
  3. Step 3: Cross multiply
    101,824.04x = 140,518.06 × 56,505.08
  4. Step 4: Simplify right side
    101,824.04x = 7,939,984,221.74
  5. Step 5: Solve for x
    x = 7,939,984,221.74/101,824.04
  6. Step 6: Final answer
    x = 77,977.50

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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.