Home / 162,809.04-224,678.12-90,214.16

Finding the Fourth Proportional to 162,809.04, 224,678.12 and 90,214.16

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Solution

The fourth proportional to 162,809.04, 224,678.12 and 90,214.16 is: 124,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,809.04 : 224,678.12 = 90,214.16 : x
  2. Step 2: Convert to fraction form
    162,809.04/224,678.12 = 90,214.16/x
  3. Step 3: Cross multiply
    162,809.04x = 224,678.12 × 90,214.16
  4. Step 4: Simplify right side
    162,809.04x = 20,269,147,866.18
  5. Step 5: Solve for x
    x = 20,269,147,866.18/162,809.04
  6. Step 6: Final answer
    x = 124,496.45

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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.