Home / 100,345.04-150,607.80-53,637.84

Finding the Fourth Proportional to 100,345.04, 150,607.80 and 53,637.84

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Solution

The fourth proportional to 100,345.04, 150,607.80 and 53,637.84 is: 80,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,345.04 : 150,607.80 = 53,637.84 : x
  2. Step 2: Convert to fraction form
    100,345.04/150,607.80 = 53,637.84/x
  3. Step 3: Cross multiply
    100,345.04x = 150,607.80 × 53,637.84
  4. Step 4: Simplify right side
    100,345.04x = 8,078,277,079.15
  5. Step 5: Solve for x
    x = 8,078,277,079.15/100,345.04
  6. Step 6: Final answer
    x = 80,505.00

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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.