Home / 155,762.40-233,643.60-102,618.30

Finding the Fourth Proportional to 155,762.40, 233,643.60 and 102,618.30

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Solution

The fourth proportional to 155,762.40, 233,643.60 and 102,618.30 is: 153,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,762.40 : 233,643.60 = 102,618.30 : x
  2. Step 2: Convert to fraction form
    155,762.40/233,643.60 = 102,618.30/x
  3. Step 3: Cross multiply
    155,762.40x = 233,643.60 × 102,618.30
  4. Step 4: Simplify right side
    155,762.40x = 23,976,109,037.88
  5. Step 5: Solve for x
    x = 23,976,109,037.88/155,762.40
  6. Step 6: Final answer
    x = 153,927.45

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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.