Home / 190,017.40-284,838.10-90,001.80

Finding the Fourth Proportional to 190,017.40, 284,838.10 and 90,001.80

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Solution

The fourth proportional to 190,017.40, 284,838.10 and 90,001.80 is: 134,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,017.40 : 284,838.10 = 90,001.80 : x
  2. Step 2: Convert to fraction form
    190,017.40/284,838.10 = 90,001.80/x
  3. Step 3: Cross multiply
    190,017.40x = 284,838.10 × 90,001.80
  4. Step 4: Simplify right side
    190,017.40x = 25,635,941,708.58
  5. Step 5: Solve for x
    x = 25,635,941,708.58/190,017.40
  6. Step 6: Final answer
    x = 134,913.65

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1.5x scale

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.