Home / 153,038.04-211,131.90-88,495.42

Finding the Fourth Proportional to 153,038.04, 211,131.90 and 88,495.42

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Solution

The fourth proportional to 153,038.04, 211,131.90 and 88,495.42 is: 122,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,038.04 : 211,131.90 = 88,495.42 : x
  2. Step 2: Convert to fraction form
    153,038.04/211,131.90 = 88,495.42/x
  3. Step 3: Cross multiply
    153,038.04x = 211,131.90 × 88,495.42
  4. Step 4: Simplify right side
    153,038.04x = 18,684,206,165.90
  5. Step 5: Solve for x
    x = 18,684,206,165.90/153,038.04
  6. Step 6: Final answer
    x = 122,088.64

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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.