Home / 153,345.16-211,616.58-89,671.24

Finding the Fourth Proportional to 153,345.16, 211,616.58 and 89,671.24

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Solution

The fourth proportional to 153,345.16, 211,616.58 and 89,671.24 is: 123,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,345.16 : 211,616.58 = 89,671.24 : x
  2. Step 2: Convert to fraction form
    153,345.16/211,616.58 = 89,671.24/x
  3. Step 3: Cross multiply
    153,345.16x = 211,616.58 × 89,671.24
  4. Step 4: Simplify right side
    153,345.16x = 18,975,921,133.16
  5. Step 5: Solve for x
    x = 18,975,921,133.16/153,345.16
  6. Step 6: Final answer
    x = 123,746.46

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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.