Home / 155,032.10-213,967.70-94,637.90

Finding the Fourth Proportional to 155,032.10, 213,967.70 and 94,637.90

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Solution

The fourth proportional to 155,032.10, 213,967.70 and 94,637.90 is: 130,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,032.10 : 213,967.70 = 94,637.90 : x
  2. Step 2: Convert to fraction form
    155,032.10/213,967.70 = 94,637.90/x
  3. Step 3: Cross multiply
    155,032.10x = 213,967.70 × 94,637.90
  4. Step 4: Simplify right side
    155,032.10x = 20,249,453,795.83
  5. Step 5: Solve for x
    x = 20,249,453,795.83/155,032.10
  6. Step 6: Final answer
    x = 130,614.59

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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.