Home / 155,410.42-233,128.40-65,479.16

Finding the Fourth Proportional to 155,410.42, 233,128.40 and 65,479.16

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Solution

The fourth proportional to 155,410.42, 233,128.40 and 65,479.16 is: 98,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,410.42 : 233,128.40 = 65,479.16 : x
  2. Step 2: Convert to fraction form
    155,410.42/233,128.40 = 65,479.16/x
  3. Step 3: Cross multiply
    155,410.42x = 233,128.40 × 65,479.16
  4. Step 4: Simplify right side
    155,410.42x = 15,265,051,804.14
  5. Step 5: Solve for x
    x = 15,265,051,804.14/155,410.42
  6. Step 6: Final answer
    x = 98,224.12

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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.