Home / 155,430.93-233,146.43-43,111.16

Finding the Fourth Proportional to 155,430.93, 233,146.43 and 43,111.16

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Solution

The fourth proportional to 155,430.93, 233,146.43 and 43,111.16 is: 64,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,430.93 : 233,146.43 = 43,111.16 : x
  2. Step 2: Convert to fraction form
    155,430.93/233,146.43 = 43,111.16/x
  3. Step 3: Cross multiply
    155,430.93x = 233,146.43 × 43,111.16
  4. Step 4: Simplify right side
    155,430.93x = 10,051,211,665.87
  5. Step 5: Solve for x
    x = 10,051,211,665.87/155,430.93
  6. Step 6: Final answer
    x = 64,666.74

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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.