Home / 127,018.40-175,282.32-70,430.24

Finding the Fourth Proportional to 127,018.40, 175,282.32 and 70,430.24

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Solution

The fourth proportional to 127,018.40, 175,282.32 and 70,430.24 is: 97,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,018.40 : 175,282.32 = 70,430.24 : x
  2. Step 2: Convert to fraction form
    127,018.40/175,282.32 = 70,430.24/x
  3. Step 3: Cross multiply
    127,018.40x = 175,282.32 × 70,430.24
  4. Step 4: Simplify right side
    127,018.40x = 12,345,175,865.36
  5. Step 5: Solve for x
    x = 12,345,175,865.36/127,018.40
  6. Step 6: Final answer
    x = 97,192.03

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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.