Home / 153,410.15-230,128.36-46,818.09

Finding the Fourth Proportional to 153,410.15, 230,128.36 and 46,818.09

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Solution

The fourth proportional to 153,410.15, 230,128.36 and 46,818.09 is: 70,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,410.15 : 230,128.36 = 46,818.09 : x
  2. Step 2: Convert to fraction form
    153,410.15/230,128.36 = 46,818.09/x
  3. Step 3: Cross multiply
    153,410.15x = 230,128.36 × 46,818.09
  4. Step 4: Simplify right side
    153,410.15x = 10,774,170,152.99
  5. Step 5: Solve for x
    x = 10,774,170,152.99/153,410.15
  6. Step 6: Final answer
    x = 70,231.14

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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.