Home / 250,130.47-375,206.12-72,637.51

Finding the Fourth Proportional to 250,130.47, 375,206.12 and 72,637.51

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Solution

The fourth proportional to 250,130.47, 375,206.12 and 72,637.51 is: 108,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,130.47 : 375,206.12 = 72,637.51 : x
  2. Step 2: Convert to fraction form
    250,130.47/375,206.12 = 72,637.51/x
  3. Step 3: Cross multiply
    250,130.47x = 375,206.12 × 72,637.51
  4. Step 4: Simplify right side
    250,130.47x = 27,254,038,293.56
  5. Step 5: Solve for x
    x = 27,254,038,293.56/250,130.47
  6. Step 6: Final answer
    x = 108,959.29

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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.