Home / 102,117.06-153,175.32-42,994.08

Finding the Fourth Proportional to 102,117.06, 153,175.32 and 42,994.08

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Solution

The fourth proportional to 102,117.06, 153,175.32 and 42,994.08 is: 64,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,117.06 : 153,175.32 = 42,994.08 : x
  2. Step 2: Convert to fraction form
    102,117.06/153,175.32 = 42,994.08/x
  3. Step 3: Cross multiply
    102,117.06x = 153,175.32 × 42,994.08
  4. Step 4: Simplify right side
    102,117.06x = 6,585,631,962.11
  5. Step 5: Solve for x
    x = 6,585,631,962.11/102,117.06
  6. Step 6: Final answer
    x = 64,491.01

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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.