Home / 155,883.04-233,901.36-72,782.88

Finding the Fourth Proportional to 155,883.04, 233,901.36 and 72,782.88

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Solution

The fourth proportional to 155,883.04, 233,901.36 and 72,782.88 is: 109,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,883.04 : 233,901.36 = 72,782.88 : x
  2. Step 2: Convert to fraction form
    155,883.04/233,901.36 = 72,782.88/x
  3. Step 3: Cross multiply
    155,883.04x = 233,901.36 × 72,782.88
  4. Step 4: Simplify right side
    155,883.04x = 17,024,014,616.72
  5. Step 5: Solve for x
    x = 17,024,014,616.72/155,883.04
  6. Step 6: Final answer
    x = 109,210.18

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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.