Home / 155,812.19-233,533.71-71,501.28

Finding the Fourth Proportional to 155,812.19, 233,533.71 and 71,501.28

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Solution

The fourth proportional to 155,812.19, 233,533.71 and 71,501.28 is: 107,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,812.19 : 233,533.71 = 71,501.28 : x
  2. Step 2: Convert to fraction form
    155,812.19/233,533.71 = 71,501.28/x
  3. Step 3: Cross multiply
    155,812.19x = 233,533.71 × 71,501.28
  4. Step 4: Simplify right side
    155,812.19x = 16,697,959,188.15
  5. Step 5: Solve for x
    x = 16,697,959,188.15/155,812.19
  6. Step 6: Final answer
    x = 107,167.22

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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.