Home / 153,345.40-230,018.10-48,164.20

Finding the Fourth Proportional to 153,345.40, 230,018.10 and 48,164.20

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Solution

The fourth proportional to 153,345.40, 230,018.10 and 48,164.20 is: 72,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,345.40 : 230,018.10 = 48,164.20 : x
  2. Step 2: Convert to fraction form
    153,345.40/230,018.10 = 48,164.20/x
  3. Step 3: Cross multiply
    153,345.40x = 230,018.10 × 48,164.20
  4. Step 4: Simplify right side
    153,345.40x = 11,078,637,772.02
  5. Step 5: Solve for x
    x = 11,078,637,772.02/153,345.40
  6. Step 6: Final answer
    x = 72,246.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.