Home / 261,975.95-361,526.81-142,743.95

Finding the Fourth Proportional to 261,975.95, 361,526.81 and 142,743.95

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Solution

The fourth proportional to 261,975.95, 361,526.81 and 142,743.95 is: 196,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,975.95 : 361,526.81 = 142,743.95 : x
  2. Step 2: Convert to fraction form
    261,975.95/361,526.81 = 142,743.95/x
  3. Step 3: Cross multiply
    261,975.95x = 361,526.81 × 142,743.95
  4. Step 4: Simplify right side
    261,975.95x = 51,605,762,368.95
  5. Step 5: Solve for x
    x = 51,605,762,368.95/261,975.95
  6. Step 6: Final answer
    x = 196,986.64

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1.5x scale

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.