Home / 253,006.04-349,134.63-139,821.50

Finding the Fourth Proportional to 253,006.04, 349,134.63 and 139,821.50

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Solution

The fourth proportional to 253,006.04, 349,134.63 and 139,821.50 is: 192,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,006.04 : 349,134.63 = 139,821.50 : x
  2. Step 2: Convert to fraction form
    253,006.04/349,134.63 = 139,821.50/x
  3. Step 3: Cross multiply
    253,006.04x = 349,134.63 × 139,821.50
  4. Step 4: Simplify right side
    253,006.04x = 48,816,527,668.55
  5. Step 5: Solve for x
    x = 48,816,527,668.55/253,006.04
  6. Step 6: Final answer
    x = 192,946.10

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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.