Home / 162,166.34-223,666.39-139,543.24

Finding the Fourth Proportional to 162,166.34, 223,666.39 and 139,543.24

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Solution

The fourth proportional to 162,166.34, 223,666.39 and 139,543.24 is: 192,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,166.34 : 223,666.39 = 139,543.24 : x
  2. Step 2: Convert to fraction form
    162,166.34/223,666.39 = 139,543.24/x
  3. Step 3: Cross multiply
    162,166.34x = 223,666.39 × 139,543.24
  4. Step 4: Simplify right side
    162,166.34x = 31,211,130,923.66
  5. Step 5: Solve for x
    x = 31,211,130,923.66/162,166.34
  6. Step 6: Final answer
    x = 192,463.69

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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.