Home / 104,054.16-143,595.12-56,307.51

Finding the Fourth Proportional to 104,054.16, 143,595.12 and 56,307.51

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Solution

The fourth proportional to 104,054.16, 143,595.12 and 56,307.51 is: 77,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,054.16 : 143,595.12 = 56,307.51 : x
  2. Step 2: Convert to fraction form
    104,054.16/143,595.12 = 56,307.51/x
  3. Step 3: Cross multiply
    104,054.16x = 143,595.12 × 56,307.51
  4. Step 4: Simplify right side
    104,054.16x = 8,085,483,655.35
  5. Step 5: Solve for x
    x = 8,085,483,655.35/104,054.16
  6. Step 6: Final answer
    x = 77,704.57

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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.