Home / 162,707.40-224,563.08-111,678.21

Finding the Fourth Proportional to 162,707.40, 224,563.08 and 111,678.21

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Solution

The fourth proportional to 162,707.40, 224,563.08 and 111,678.21 is: 154,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,707.40 : 224,563.08 = 111,678.21 : x
  2. Step 2: Convert to fraction form
    162,707.40/224,563.08 = 111,678.21/x
  3. Step 3: Cross multiply
    162,707.40x = 224,563.08 × 111,678.21
  4. Step 4: Simplify right side
    162,707.40x = 25,078,803,225.28
  5. Step 5: Solve for x
    x = 25,078,803,225.28/162,707.40
  6. Step 6: Final answer
    x = 154,134.37

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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.