Home / 162,720.16-224,547.58-89,131.41

Finding the Fourth Proportional to 162,720.16, 224,547.58 and 89,131.41

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Solution

The fourth proportional to 162,720.16, 224,547.58 and 89,131.41 is: 122,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,720.16 : 224,547.58 = 89,131.41 : x
  2. Step 2: Convert to fraction form
    162,720.16/224,547.58 = 89,131.41/x
  3. Step 3: Cross multiply
    162,720.16x = 224,547.58 × 89,131.41
  4. Step 4: Simplify right side
    162,720.16x = 20,014,242,417.49
  5. Step 5: Solve for x
    x = 20,014,242,417.49/162,720.16
  6. Step 6: Final answer
    x = 122,997.93

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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.