Home / 157,070.16-216,659.63-136,975.28

Finding the Fourth Proportional to 157,070.16, 216,659.63 and 136,975.28

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Solution

The fourth proportional to 157,070.16, 216,659.63 and 136,975.28 is: 188,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,070.16 : 216,659.63 = 136,975.28 : x
  2. Step 2: Convert to fraction form
    157,070.16/216,659.63 = 136,975.28/x
  3. Step 3: Cross multiply
    157,070.16x = 216,659.63 × 136,975.28
  4. Step 4: Simplify right side
    157,070.16x = 29,677,012,743.09
  5. Step 5: Solve for x
    x = 29,677,012,743.09/157,070.16
  6. Step 6: Final answer
    x = 188,941.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.