Home / 119,130.51-164,400.56-64,682.76

Finding the Fourth Proportional to 119,130.51, 164,400.56 and 64,682.76

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Solution

The fourth proportional to 119,130.51, 164,400.56 and 64,682.76 is: 89,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,130.51 : 164,400.56 = 64,682.76 : x
  2. Step 2: Convert to fraction form
    119,130.51/164,400.56 = 64,682.76/x
  3. Step 3: Cross multiply
    119,130.51x = 164,400.56 × 64,682.76
  4. Step 4: Simplify right side
    119,130.51x = 10,633,881,642.93
  5. Step 5: Solve for x
    x = 10,633,881,642.93/119,130.51
  6. Step 6: Final answer
    x = 89,262.45

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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.