Home / 190,011.40-284,838.90-71,762.20

Finding the Fourth Proportional to 190,011.40, 284,838.90 and 71,762.20

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Solution

The fourth proportional to 190,011.40, 284,838.90 and 71,762.20 is: 107,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,011.40 : 284,838.90 = 71,762.20 : x
  2. Step 2: Convert to fraction form
    190,011.40/284,838.90 = 71,762.20/x
  3. Step 3: Cross multiply
    190,011.40x = 284,838.90 × 71,762.20
  4. Step 4: Simplify right side
    190,011.40x = 20,440,666,109.58
  5. Step 5: Solve for x
    x = 20,440,666,109.58/190,011.40
  6. Step 6: Final answer
    x = 107,576.00

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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.